RU2010125282A - SYSTEMS AND METHODS FOR OIL AND / OR GAS PRODUCTION - Google Patents

SYSTEMS AND METHODS FOR OIL AND / OR GAS PRODUCTION Download PDF

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RU2010125282A
RU2010125282A RU2010125282/03A RU2010125282A RU2010125282A RU 2010125282 A RU2010125282 A RU 2010125282A RU 2010125282/03 A RU2010125282/03 A RU 2010125282/03A RU 2010125282 A RU2010125282 A RU 2010125282A RU 2010125282 A RU2010125282 A RU 2010125282A
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formation
composition
oil
group
wells
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RU2010125282/03A
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Russian (ru)
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RU2494234C2 (en
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Штеффен БЕРГ (NL)
Штеффен БЕРГ
Каролус Маттиас Анна Мария МЕСТЕРС (NL)
Каролус Маттиас Анна Мария Местерс
Дин Чиень ВАН (US)
Дин Чиень Ван
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Шелл Интернэшнл Рисерч Маатсхаппий Б.В. (NL)
Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/162—Injecting fluid from longitudinally spaced locations in injection well
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/30—Specific pattern of wells, e.g. optimizing the spacing of wells

Abstract

1. Система для добычи нефти и/или газа из подземного пласта, содержащая: ! первую группу скважин, распределенных над пластом; ! вторую группу скважин, распределенных над пластом; ! при этом первая группа скважин содержит средство для нагнетания в пласт смешивающегося состава для стимулирования нефтеотдачи, а вторая группа скважин содержит средство для добычи нефти и/или газа из пласта в течение первого периода времени; и ! средство для превращения внутри пласта по крайней мере части смешивающегося состава для стимулирования нефтеотдачи в другое соединение в течение второго периода времени. ! 2. Система по п.1, в которой скважина в указанной первой группе скважин находится на расстоянии от 10 м до 1 км от одной или более соседних скважин из указанной второй группы скважин. ! 3. Система по п.1, в которой подземный пласт расположен ниже массы воды. ! 4. Система по п.1, дополнительно содержащая средство для нагнетания в пласт несмешивающегося состава для стимулированной добычи нефти после выпуска в пласт смешивающегося состава для стимулированной добычи нефти. ! 5. Система по п.1, дополнительно содержащая смешивающийся состав для стимулированной добычи нефти, выбираемый из группы, состоящей из сероуглеродного состав, сероводорода, диоксида углерода, октана, пентана, сжиженного нефтяного газа, алифатических С2-С6-углеводородов, азота, дизельного топлива, уайт-спирита, лигроинового растворителя, битумного растворителя, керосина, ацетона, ксилола, трихлорэтана и их смесей. ! 6. Система по п.1, дополнительно содержащая несмешивающийся состав для стимулированной добычи нефти, выбираемый из группы, состоящей из воды в газообраз� 1. A system for extracting oil and/or gas from an underground formation, comprising: ! a first group of wells distributed above the formation; ! a second group of wells distributed above the formation; ! wherein the first group of wells comprises a means for injecting into the formation a miscible composition to stimulate oil recovery, and the second group of wells contains a means for extracting oil and/or gas from the formation during the first period of time; And ! means for in-situ conversion of at least a portion of the miscible oil recovery stimulation composition to another compound during a second period of time. ! 2. The system of claim 1, wherein the well in said first group of wells is between 10 m and 1 km from one or more adjacent wells in said second group of wells. ! 3. The system of claim 1 wherein the subterranean formation is located below the body of water. ! 4. The system of claim 1, further comprising means for injecting an immiscible stimulation composition into the formation after discharging the miscible stimulation composition into the formation. ! 5. The system of claim 1, further comprising a miscible stimulated oil composition selected from the group consisting of carbon disulfide composition, hydrogen sulfide, carbon dioxide, octane, pentane, liquefied petroleum gas, aliphatic C2-C6 hydrocarbons, nitrogen, diesel fuel , white spirit, naphtha solvent, bituminous solvent, kerosene, acetone, xylene, trichloroethane and mixtures thereof. ! 6. The system of claim 1 further comprising an immiscible stimulated oil composition selected from the group consisting of water to gas.

Claims (31)

1. Система для добычи нефти и/или газа из подземного пласта, содержащая:1. A system for extracting oil and / or gas from an underground reservoir, comprising: первую группу скважин, распределенных над пластом;the first group of wells distributed over the formation; вторую группу скважин, распределенных над пластом;a second group of wells distributed over the formation; при этом первая группа скважин содержит средство для нагнетания в пласт смешивающегося состава для стимулирования нефтеотдачи, а вторая группа скважин содержит средство для добычи нефти и/или газа из пласта в течение первого периода времени; иwherein the first group of wells comprises means for injecting a miscible composition into the formation to stimulate oil recovery, and the second group of wells contains means for producing oil and / or gas from the formation for a first period of time; and средство для превращения внутри пласта по крайней мере части смешивающегося состава для стимулирования нефтеотдачи в другое соединение в течение второго периода времени.means for converting at least part of the miscible composition within the formation to stimulate oil recovery into another compound for a second period of time. 2. Система по п.1, в которой скважина в указанной первой группе скважин находится на расстоянии от 10 м до 1 км от одной или более соседних скважин из указанной второй группы скважин.2. The system according to claim 1, in which the well in said first group of wells is located at a distance of 10 m to 1 km from one or more neighboring wells from said second group of wells. 3. Система по п.1, в которой подземный пласт расположен ниже массы воды.3. The system according to claim 1, in which the underground reservoir is located below the mass of water. 4. Система по п.1, дополнительно содержащая средство для нагнетания в пласт несмешивающегося состава для стимулированной добычи нефти после выпуска в пласт смешивающегося состава для стимулированной добычи нефти.4. The system according to claim 1, additionally containing means for injecting into the reservoir an immiscible composition for stimulated oil production after releasing into the reservoir a mixed composition for stimulated oil production. 5. Система по п.1, дополнительно содержащая смешивающийся состав для стимулированной добычи нефти, выбираемый из группы, состоящей из сероуглеродного состав, сероводорода, диоксида углерода, октана, пентана, сжиженного нефтяного газа, алифатических С2-С6-углеводородов, азота, дизельного топлива, уайт-спирита, лигроинового растворителя, битумного растворителя, керосина, ацетона, ксилола, трихлорэтана и их смесей.5. The system according to claim 1, additionally containing a miscible composition for stimulated oil production, selected from the group consisting of a carbon disulfide composition, hydrogen sulfide, carbon dioxide, octane, pentane, liquefied petroleum gas, aliphatic C 2 -C 6 hydrocarbons, nitrogen, diesel fuel, white spirit, naphtha solvent, bitumen solvent, kerosene, acetone, xylene, trichloroethane and mixtures thereof. 6. Система по п.1, дополнительно содержащая несмешивающийся состав для стимулированной добычи нефти, выбираемый из группы, состоящей из воды в газообразной или жидкой форме, воздуха и их смесей.6. The system according to claim 1, additionally containing an immiscible composition for stimulated oil production, selected from the group consisting of water in gaseous or liquid form, air and mixtures thereof. 7. Система по п.1, в которой первая группа скважин содержит от 5 до 500 скважин, и вторая группа скважин содержит от 5 до 500 скважин.7. The system according to claim 1, in which the first group of wells contains from 5 to 500 wells, and the second group of wells contains from 5 to 500 wells. 8. Система по п.1, дополнительно содержащая смешивающийся состав для стимулированной добычи нефти, содержащий сероуглеродный состав.8. The system according to claim 1, additionally containing a miscible composition for stimulated oil production, containing a carbon disulfide composition. 9. Система по п.1, дополнительно содержащая средство для производства сероуглеродного состава.9. The system of claim 1, further comprising means for producing a carbon disulfide composition. 10. Система по п.1, в которой подземный пласт содержит нефть, имеющую вязкость от 100 до 5000000 сП.10. The system according to claim 1, in which the subterranean formation contains oil having a viscosity of from 100 to 5,000,000 cP. 11. Система по п.1, в которой первая группа скважин имеет профиль смешивающегося состава для стимулированной добычи нефти в пласте, а вторая группа скважин имеет профиль добычи нефти в пласте, причем профиль смешивающегося состава для стимулированной добычи нефти и профиль добычи нефти перекрываются.11. The system according to claim 1, in which the first group of wells has a profile of the miscible composition for stimulated oil production in the reservoir, and the second group of wells has a profile of miscible oil for the reservoir, the profile of the miscible composition for stimulated oil production and the profile of oil production overlap. 12. Способ добычи нефти и/или газа, включающий:12. A method of producing oil and / or gas, including: нагнетание в пласт сероуглеродного состава через первую скважину в течение первого периода времени;injection into the formation of a carbon disulfide composition through the first well during the first period of time; добычу нефти и/или газа из пласта через вторую скважину в течение первого периода времени; иthe production of oil and / or gas from the formation through the second well during the first period of time; and превращение in situ по крайней мере части сероуглеродного состава в другое соединение при завершении добычи нефти и/или газа из пласта.in situ conversion of at least part of the carbon disulfide composition to another compound upon completion of oil and / or gas production from the formation. 13. Способ по п.12, дополнительно включающий извлечение сероуглеродного состава из нефти и/или газа, если он там присутствует, и последующее нагнетание по крайней мере части извлеченного сероуглеродного состава в пласт.13. The method according to item 12, further comprising extracting a carbon disulfide composition from oil and / or gas, if present, and then injecting at least a portion of the recovered carbon disulfide composition into the formation. 14. Способ по п.12, в котором нагнетание сероуглеродного состава включает в себя нагнетание в пласт по крайней мере части сероуглеродного состава в смеси с по меньшей мере одним из следующих компонентов: углеводороды; сернистые соединения отличные от сероуглерода; диоксид углерода; оксид углерода; и их смеси.14. The method according to item 12, in which the injection of a carbon disulfide composition includes injecting into the reservoir at least part of the carbon disulfide composition in a mixture with at least one of the following components: hydrocarbons; sulfur compounds other than carbon disulfide; carbon dioxide; carbon monoxide; and mixtures thereof. 15. Способ по п.12, дополнительно включающий нагрев сероуглеродного состава перед нагнетанием сероуглеродного состава в пласт или во время нахождения состава в пласте.15. The method according to item 12, further comprising heating the carbon disulfide composition before injection of the carbon disulfide composition into the formation or while the composition is in the formation. 16. Способ по п.12, в котором сероуглеродный состав нагнетают под давлением от 0 до 37000 кПа по отношению к начальному давлению в коллекторе, измеренному до начала нагнетания сероуглерода.16. The method according to item 12, in which the carbon disulfide composition is injected under pressure from 0 to 37000 kPa with respect to the initial pressure in the reservoir, measured before the injection of carbon disulfide. 17. Способ по п.12, в котором подземный пласт имеет проницаемость от 0,0001 до 15 Д, например проницаемость от 0,001 до 1 Д.17. The method according to item 12, in which the subterranean formation has a permeability of from 0.0001 to 15 D, for example, permeability from 0.001 to 1 D. 18. Способ по п.12, в котором нефть, находящаяся в подземном пласте до нагнетания сероуглеродного состава, содержит от 0,5 до 5% серы, например от 1 до 3%.18. The method according to item 12, in which the oil in the subterranean formation prior to injection of the carbon disulfide composition, contains from 0.5 to 5% sulfur, for example from 1 to 3%. 19. Способ по п.12, дополнительно включающий превращение по крайней мере части добытой нефти и/или газа в материал, выбранный из группы, состоящей из моторных топлив, например бензина и дизельного топлива, отопительного топлива, смазочных материалов, химических реактивов и/или полимеров.19. The method according to item 12, further comprising converting at least a portion of the extracted oil and / or gas into a material selected from the group consisting of motor fuels, such as gasoline and diesel fuel, heating fuel, lubricants, chemicals and / or polymers. 20. Способ по п.12, дополнительно включающий:20. The method according to item 12, further comprising: нагнетание в пласт средства для ремедиации через вторую скважину в течение второго периода времени; иinjection into the reservoir of a remedy for remediation through a second well during a second period of time; and извлечение сероуглеродного состава из пласта через первую скважину в течение второго периода времени.recovering a carbon disulfide composition from the formation through the first well during a second time period. 21. Способ по п.20, в котором средство для ремедиации содержит воду и поверхностно-активное вещество.21. The method according to claim 20, in which the means for remediation contains water and a surfactant. 22. Способ по п.20, в котором средство для ремедиации содержит воду и растворенный в воде полимер.22. The method according to claim 20, in which the means for remediation contains water and a polymer dissolved in water. 23. Способ по п.20, дополнительно включающий:23. The method according to claim 20, further comprising: нагнетание в пласт воды через первую скважину в течение третьего периода времени;injecting water into the formation through the first well during a third period of time; и извлечение средства для ремедиации из пласта через вторую скважину в течение третьего периода времени.and retrieving remediation remedies from the formation through the second well during a third time period. 24. Способ добычи нефти и/или газа, включающий:24. A method of producing oil and / or gas, including: нагнетание в пласт смешивающегося состава для стимулированной добычи нефти через первую скважину в течение первого периода времени;injecting a miscible composition into the formation for stimulated oil production through the first well during the first time period; добычу нефти и/или газа из пласта через вторую скважину в течение первого периода времени; иthe production of oil and / or gas from the formation through the second well during the first period of time; and превращение по крайней мере части смешивающегося состава для стимулированной добычи нефти внутри пласта в другое соединение после завершения добычи из пласта нефти и/или газа.the conversion of at least part of the miscible composition for stimulated oil production within the formation into another compound after completion of oil and / or gas production from the formation. 25. Способ по п.24, дополнительно включающий:25. The method according to paragraph 24, further comprising: нагнетание в пласт несмешивающегося состава для стимулированной добычи нефти через первую скважину в течение некоторого периода времени после первого периода времени с тем, чтобы продавливать через пласт смешивающийся состав для стимулированной добычи нефти.injection into the formation of an immiscible composition for stimulated oil production through the first well for a certain period of time after the first period of time so as to push through the formation a miscible composition for stimulated oil production. 26. Способ по п.24, в котором добытые нефть и/или газ содержат сернистое соединение, при этом дополнительно по меньшей мере часть сернистого соединения превращают в смешивающийся состав для стимулированной добычи нефти.26. The method according to paragraph 24, in which the extracted oil and / or gas contain a sulfur compound, while additionally at least part of the sulfur compound is converted into a miscible composition for stimulated oil production. 27. Способ по п.24, в котором смешивающийся состав для стимулированной добычи нефти содержит сероуглеродный состав.27. The method according to paragraph 24, in which the miscible composition for stimulated oil production contains a carbon disulfide composition. 28. Способ по п.24, дополнительно включающий нагрев смешивающегося состава для стимулированной добычи нефти.28. The method according to paragraph 24, further comprising heating the miscible composition for stimulated oil production. 29. Способ по п.24, дополнительно включающий:29. The method according to paragraph 24, further comprising: нагнетание в пласт средства для ремедиации через вторую скважину в течение второго периода времени; иinjection into the reservoir of a remedy for remediation through a second well during a second period of time; and извлечение из пласта смешивающегося состава для стимулированной добычи нефти через первую скважину в течение второго периода времени.recovering a miscible composition from the formation for stimulated oil production through the first well during a second time period. 30. Способ по п.29, в котором средство для ремедиации содержит воду и поверхностно-активное вещество.30. The method according to clause 29, in which the means for remediation contains water and a surfactant. 31. Способ по п.29, дополнительно включающий:31. The method according to clause 29, further comprising: нагнетание воды в пласт через вторую скважину в течение некоторого периода времени после второго периода времени с тем, чтобы продавливать средство для ремедиации через пласт. injecting water into the formation through the second well for a period of time after the second period of time so as to force the means for remediation through the formation.
RU2010125282/03A 2007-11-19 2008-11-18 Oil and/or gas extraction system and method RU2494234C2 (en)

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